protected function uncacheClassName($className, $indexKey, $intKey)
{
$cache = Cache::me();
$pool = SemaphorePool::me();
if ($pool->get($intKey)) {
$indexList = $cache->mark($className)->get($indexKey);
$cache->mark($className)->delete($indexKey);
if ($indexList) {
foreach (array_keys($indexList) as $key) {
$cache->mark($className)->delete($key);
}
}
$pool->free($intKey);
return true;
}
$cache->mark($className)->delete($indexKey);
return false;
}
private function operate($path, $value = null, $expires = null)
{
$key = hexdec(substr(md5($path), 3, 2)) + 1;
$pool = SemaphorePool::me();
if (!$pool->get($key)) {
return null;
}
try {
$old = umask(077);
$fp = fopen($path, $value !== null ? 'wb' : 'rb');
umask($old);
} catch (BaseException $e) {
$pool->drop($key);
return null;
}
if ($value !== null) {
fwrite($fp, $this->prepareData($value));
fclose($fp);
if ($expires < parent::TIME_SWITCH) {
$expires += time();
}
try {
touch($path, $expires);
} catch (BaseException $e) {
// race-removed
}
return $pool->drop($key);
} else {
if (($size = filesize($path)) > 0) {
$data = fread($fp, $size);
} else {
$data = null;
}
fclose($fp);
$pool->drop($key);
return $data ? $this->restoreData($data) : null;
}
}
private function checkMap($objectKey)
{
$pool = SemaphorePool::me();
$semKey = $this->keyToInt($this->indexKey);
if (!$pool->get($semKey)) {
return false;
}
if (!($map = Cache::me()->mark($this->className)->get($this->indexKey))) {
$pool->free($semKey);
return false;
}
if (!isset($map[$objectKey])) {
$pool->free($semKey);
return false;
}
$pool->free($semKey);
return true;
}
public function __construct($segmentId)
{
parent::__construct($segmentId);
$this->locker = SemaphorePool::me();
}
